This Part 3-9 of EN 50289 details the methods of test to determine the bending tests used in analogue and digital communications systems to: - bending around a test mandrel (clause 4); - repeated bending (clause 5); - repeated flexing in service (clause 6); - flexing in service (clause 7); - bending around rollers or bows during installation (clause 8); and - measure the stiffness (clause 9) of such a table; - kink test (clause 10). It is to be read in conjunction with Part 3-1 of EN 50289, which contains essential provisions for its application.